NDLI: Implementation and Evaluation of Late Data Choice for TCP in Linux

Content Provider	IEEE Xplore Digital Library
Author	Birkedal, E. Griwodz, C. Halvorsen, P.
Copyright Year	2007
Description	Author affiliation: Univ. of Oslo, Oslo (Birkedal, E.; Griwodz, C.; Halvorsen, P.)
Abstract	Real-time delivery of time-dependent data over the Internet is challenging. UDP has often been used to transport data in a timely manner, but its lack of congestion control is often criticized. This criticism is a reason that the vast majority of applications today use TCP. The downside of this is that TCP has problems with the timely delivery of data. A transport protocol that adds congestion control to an otherwise UDP-like behaviour is DCCP For this protocol, late data choice (LDC) [8] has been proposed to allow adaptive applications control over data packets up to the actual transmission time. We find, however, that application developers appreciate other TCP features as well, such as its reliability. We have therefore implemented and tested the LDC ideas for TCP. It allows the application to modify or drop packets that have been handed to TCP until they are actually transmitted to the network. This is achieved with a shared packet ring and indexes to hold the current status. Our experiments show that we can send more useful data with LDC than without in a streaming scenario. We can therefore claim that we achieve a better utilization of the throughput, giving us a higher goodput with LDC than without.
Starting Page	221
Ending Page	228
File Size	323677
Page Count	8
File Format	PDF
ISBN	9780769530581
DOI	10.1109/ISM.2007.4412377
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-10
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Linux Transport protocols Streaming media Games Internet Delay Informatics Laboratories Programmable control Adaptive control
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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